[neurun] Rename classes in model::operation (#5018)

[neurun] Rename classes in model::operation (#5018)

* [neurun] Rename classes in model::operation

Rename the rest of classes in `model::operation` other than Operation
derivatives and subgraph modules. Many changes are included in this
commit to avoid conflicts many times.

- `operation::NodeVisitor` -> `OpVisitor`
- `operation::OperandConstraint` -> `OperandConstraint`
- `operation::IndexList` -> `OperationIndexList`
- `operation::Set` -> `OperationManager`
- `operation/Op.lst` -> `Op.lst`
- `operation/Node.Include.h` -> `Operation.Include.h`

Part of #4985

Signed-off-by: Hanjoung Lee <hanjoung.lee@samsung.com>
* Fix nits

* Rename OpXXX to OperationXXX

- OpVisitor.h => OperationVisitor.h
- Op.lst => Operations.lst

* Rebase fix

* Rename OperationManager to Operations

* Fix ifdef guards - OperandConstraint and Operation